Water Pump - GM LS Eng. Truck/SUV 2007-2017

The Water Pump - GM LS Eng. Truck/SUV 2007-2017 (Melling MWP-501) is a direct-fit replacement cooling system component engineered for second-generation LS platform trucks and SUVs. Whether you're rebuilding an engine after high-mileage service, upgrading cooling capacity after forced-induction modifications, or restoring factory reliability on a daily-driven vehicle, this water pump delivers OEM-level performance and dependable thermal management for the ubiquitous LS engine family.

Constructed from aluminum alloy with a natural finish, this pump features a mechanical-drive design paired with a black pulley hub measuring 6.942 inches in height—a specification critical for belt alignment and serpentine drive system compatibility on LS-equipped platforms. The aluminum housing resists corrosion while maintaining lightweight characteristics essential for engine bay thermal dynamics, and the precisely engineered impeller ensures optimal coolant circulation across the full RPM range. Melling's manufacturing process guarantees concentricity and bearing durability, eliminating leaks and cavitation that plague inferior aftermarket alternatives.

Mechanics and LS engine builders rely on Melling water pumps for restorations, engine swaps, and performance builds spanning 2007–2017 model-year trucks and SUVs. Direct bolt-on installation requires no adapter plates or custom modifications, making this a straightforward weekend project for DIY enthusiasts with basic hand tools. OEM serpentine belt routing and accessory drive geometry remain unchanged, ensuring hassle-free fitment. At 14.51 lbs, the compact 13.2 x 9.5 x 17-inch form factor integrates seamlessly into tight engine bays, making it the intelligent choice for long-term cooling system reliability.